UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'gHdqbIZRmirOsXnPfcaKGv5qEVfTQGtZi6hvp0KJZ+s=' 
WHERE 
  key_id = 'fecde96d42f330c98aa92ac93dd346d7fa29af16d77279431e026de9a9336557' 
  AND (
    token = 'gHdqbIZRmirOsXnPfcaKGv5qEVfTQGtZi6hvp0KJZ+s=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )

Query time 0.00032